Logistics container carrying, loading and unloading device

Abstract

The invention discloses a logistics container carrying, loading and unloading device which comprises a tray, a lifting plate is connected to the upper side of the tray through a lifting device, a moving plate is connected to the upper side of the tray through a horizontal moving device, the moving plate is horizontally and slidably connected to the upper side of the tray, and telescopic legs are fixedly connected to the four corners of the outer side of the tray. A hydraulic telescopic driving device is arranged among the four telescopic legs, and a moving wheel is arranged at the bottom end of each telescopic leg. Through mutual cooperation of the tray, the hydraulic telescopic driving device, the lifting device, the horizontal moving device and other parts, the container can be rapidly and conveniently loaded and unloaded on a truck, operation is easy, and loading and unloading are more convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of container loading and unloading, and in particular to a logistics container handling and loading and unloading device. Background Art

[0002] As is known to all, containers used for transporting goods have a standardized cubic shape to facilitate stacking during land and sea transportation. A transport machine such as a forklift or crane is used to unload the container from a truck on the ground or load it onto a truck. At the same time, when the container is placed on the ground, it can also be used as a convenient storage warehouse.

[0003] Since the container is just a cubic rigid body, it is very inconvenient to mobilize the necessary forklifts, cranes, etc. during the loading and unloading process. In other words, the container is subjected to frequent loading and unloading operations from its working perspective, and trucks have to transport a large number of containers one by one repeatedly.

[0004] Based on the above situations, the loading and unloading of containers inevitably requires the use of various machines including forklifts, cranes, etc., which will cause a problem that a large amount of machinery and manpower are required just in the process of transporting a container. Summary of the invention

[0005] The present invention provides a logistics container handling and loading and unloading device to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A logistics container handling and loading and unloading device comprises a pallet, wherein the upper side of the pallet is connected to a lifting plate via a lifting device, the upper side of the pallet is connected to a moving plate via a horizontal moving device, the moving plate is horizontally slidably connected to the upper side of the pallet, telescopic legs are fixedly connected at the four outer corners of the pallet, a hydraulic telescopic drive device is provided between the four telescopic legs, and a moving wheel is provided at the bottom end of each telescopic leg.

[0008] Preferably, the lifting device includes a storage cavity, which is opened on the upper side wall of the tray, and a lifting plate is slidably connected in the storage cavity, and a vertical threaded hole is opened on the lifting plate, and a third threaded rod is threadedly connected in the threaded hole, and the bottom end of the third threaded rod is rotatably connected to the bottom side wall of the storage cavity, and a sixth bevel gear is fixedly connected to the bottom side wall of the storage cavity, and a fifth bevel gear is meshedly connected to the side wall of the sixth bevel gear, and a rotating rod is fixedly connected to the side wall of the fifth bevel gear, and the rotating rod penetrates the side wall of the storage cavity and extends out of the tray.

[0009] Preferably, one end of the rotating rod extending out of the tray is fixedly connected to a rotating plate, and the rotating plate is provided with anti-slip grooves.

[0010] Preferably, the horizontal moving device includes a connecting slot and two moving slide slots, the connecting slot and the two moving slide slots are both opened on the upper side of the tray, the two moving slide slots are communicated with both ends of the connecting slot, a motor is fixedly connected to the side wall of the tray, the output shaft of the motor extends into the connecting slot and is fixedly connected to the third bevel gear, the side wall of the third bevel gear is meshedly connected to two fourth bevel gears, each side wall of the fourth bevel gear is fixedly connected to a second threaded rod, the two second threaded rods are respectively rotatably connected to the side walls at both ends of the connecting slot, the two second threaded rods are fixedly connected to the second bevel gears, the side walls of the two second bevel gears are meshedly connected to the first bevel gears, the side walls of the two second bevel gears are each fixedly connected to the first threaded rod, each first threaded rod is rotatably connected to the side wall of the moving slide slot, the two first threaded rods are threadedly connected to a slider, the two sliders are respectively slidably connected in the two moving slide slots, and the moving plate is fixedly connected to the two sliders.

[0011] Preferably, the movable plate and the lifting plate are arranged in parallel.

[0012] Preferably, each of the telescopic legs comprises a plurality of sliding cylinders whose diameters decrease successively and slide successively, and a return spring is fixedly connected between the uppermost side and the lowermost side inside the telescopic leg.

[0013] Preferably, the hydraulic telescopic drive device includes a liquid storage chamber, which is opened in the tray, and a piston plate is slidably connected in the liquid storage chamber, and an electric cylinder is fixedly connected between the side wall of the piston plate and the side wall of the liquid storage chamber, and two guide channels are opened on the side wall of the liquid storage chamber, and a connecting channel is opened on the side wall of each guide channel, and both ends of the two connecting channels are respectively connected to the inside of the four telescopic legs.

[0014] Preferably, a region on one side of the piston plate facing away from the electric cylinder is filled with a pressure-conducting liquid, and the pressure-conducting liquid is hydraulic oil.

[0015] Preferably, the tray, movable plate and lifting plate are all made of high-strength titanium alloy.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention can quickly and conveniently load and unload containers on a truck by arranging a pallet, a hydraulic telescopic driving device, a lifting device, a horizontal moving device and other components to cooperate with each other, and the operation is simple and the loading and unloading is more convenient.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 This is a schematic diagram of the structure of a logistics container handling and loading and unloading device proposed by the present invention when the telescopic legs are retracted;

[0021] Figure 2 This is a schematic diagram of the structure of a logistics container handling and loading and unloading device proposed by the present invention when the telescopic legs are extended;

[0022] Figure 3 This is a schematic diagram of the top view of the structure of a logistics container handling and loading and unloading device proposed by the present invention;

[0023] Figure 4 for Figure 3 A is a schematic diagram of the partially enlarged structure of the middle part;

[0024] Figure 5 This is a schematic diagram of the lifting plate structure proposed by the present invention;

[0025] Figure 6 This is a front cross-sectional structural schematic diagram of a logistics container handling and loading and unloading device proposed by the present invention;

[0026] Figure 7 This is a schematic diagram of a top cross-sectional structure of a logistics container handling and loading and unloading device proposed by the present invention;

[0027] Figure 8 This is a schematic side cross-sectional structural diagram of a logistics container handling and loading and unloading device proposed by the present invention;

[0028] Fig. 9 This is a schematic diagram of the cross-sectional structure of the telescopic leg proposed in the present invention.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 1. Moving plate; 2. Sliding block; 3. Moving slide groove; 4. First threaded rod; 5. Threaded hole; 6. Lifting plate; 7. Rotating rod; 8. Rotating plate; 9. Tray; 10. Moving wheel; 11. Telescopic leg; 12. Connecting groove; 13. Motor; 14. Second threaded rod; 15. First bevel gear; 16. Second bevel gear; 17. Third bevel gear; 18. Fourth bevel gear; 19. Storage chamber; 20. Third threaded rod; 21. Electric cylinder; 22. Piston plate; 23. Liquid storage chamber; 24. Connecting channel; 25. Diversion channel; 26. Reset spring; 27. Fifth bevel gear; 28. Sixth bevel gear. DETAILED DESCRIPTION

[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail by way of example with reference to the accompanying drawings in the following paragraphs. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0032] See also Figures 1 to 9 In an embodiment of the present invention, a logistics container handling and loading and unloading device includes a pallet 9, the upper side of the pallet 9 is connected to a lifting plate 6 through a lifting device, the upper side of the pallet 9 is connected to a moving plate 1 through a horizontal moving device, the moving plate 1 is horizontally slidably connected to the upper side of the pallet 9, and telescopic legs 11 are fixedly connected at the four corners of the outer side of the pallet 9, a hydraulic telescopic driving device is provided between the four telescopic legs 11, a moving wheel 10 is provided at the bottom end of each telescopic leg 11, each telescopic leg 11 includes a plurality of sliding cylinders whose diameters decrease successively and slide successively, a reset spring 26 is fixedly connected between the uppermost side and the lowermost side inside the telescopic leg 11, and the pallet 9, the moving plate 1, and the lifting plate 6 are all made of high-strength titanium alloy.

[0033] Specifically, the lifting device includes a storage chamber 19, which is provided on the upper side wall of the tray 9. A lifting plate 6 is slidably connected in the storage chamber 19. A vertically penetrating threaded hole 5 is provided on the lifting plate 6. A third threaded rod 20 is threadedly connected in the threaded hole 5. The bottom end of the third threaded rod 20 is rotatably connected to the bottom side wall of the storage chamber 19. A sixth bevel gear 28 is fixedly connected to the bottom side wall of the storage chamber 19. A fifth bevel gear 27 is meshedly connected to the side wall of the sixth bevel gear 28. A rotating rod 7 is fixedly connected to the side wall of the fifth bevel gear 27. The rotating rod 7 penetrates the side wall of the storage chamber 19 and extends out of the tray 9. One end of the rotating rod 7 extending out of the tray 9 is fixedly connected to a rotating plate 8. The rotating plate 8 is provided with anti-slip grooves. When the rotating plate 8 is grasped to drive the rotating rod 7 to rotate forward and reversely, the rotating rod 7 can drive the third threaded rod 20 to rotate through the connecting channel 24 and the sixth bevel gear 28. The forward and reverse rotation of the third threaded rod 20 can drive the lifting plate 6 to lift vertically.

[0034] Specifically, the horizontal moving device includes a connecting groove 12 and two moving slide grooves 3, the connecting groove 12 and the two moving slide grooves 3 are both opened on the upper side of the tray 9, the two moving slide grooves 3 are connected with both ends of the connecting groove 12, a motor 13 is fixedly connected to the side wall of the tray 9, the output shaft of the motor 13 extends into the connecting groove 12 and is fixedly connected to a third bevel gear 17, two fourth bevel gears 18 are meshedly connected to the side wall of the third bevel gear 17, a second threaded rod 14 is fixedly connected to the side wall of each fourth bevel gear 18, the two second threaded rods 14 are respectively rotatably connected to the side walls at both ends of the connecting groove 12, the two second threaded rods 14 are fixedly connected to the second bevel gears 16, the side walls of the two second bevel gears 16 are meshedly connected to the first bevel gear 15, and the side wall of each first bevel gear 15 A first threaded rod 4 is fixedly connected, each first threaded rod 4 is rotatably connected to the side wall of the moving slide groove 3, and sliders 2 are threadedly connected to the two first threaded rods 4. The two sliders 2 are respectively slidably connected in the two moving slide grooves 3. The moving plate 1 is fixedly connected to the two sliders 2, and the moving plate 1 is arranged in parallel with the lifting plate 6. The motor 13 is started, and the motor 13 can drive the two fourth bevel gears 18 to rotate through the third bevel gear 17. The two fourth bevel gears 18 can drive the two second threaded rods 14 to rotate. The two second threaded rods 14 can drive the two first threaded rods 4 to rotate through the second bevel gear 16 and the first bevel gear 15. The positive and negative rotation of the two first threaded rods 4 can drive the slider 2 to move left and right along the first threaded rod 4, and the horizontal movement of the two sliders 2 can drive the moving plate 1 to move left and right on the upper side of the tray 9.

[0035] Specifically, the hydraulic telescopic drive device includes a liquid storage chamber 23, which is opened in the tray 9. A piston plate 22 is slidably connected in the liquid storage chamber 23. An electric cylinder 21 is fixedly connected between the side wall of the piston plate 22 and the side wall of the liquid storage chamber 23. Two guide channels 25 are opened on the side wall of the liquid storage chamber 23. A connecting channel 24 is opened on the side wall of each guide channel 25. The two ends of the two connecting channels 24 are respectively connected to the inside of the four telescopic legs 11. The area on the side of the piston plate 22 away from the electric cylinder 21 is filled with pressure-conducting liquid, which is hydraulic oil. When the electric cylinder 21 is started to extend, the piston plate 22 can squeeze the pressure-conducting liquid in the liquid storage chamber 23, so that the pressure-conducting liquid enters the four telescopic legs 11 through the guide channel 25 and the connecting channel 24. Then the four telescopic legs 11 will extend downward. When the electric cylinder 21 contracts, each telescopic leg 11 will contract under the action of the return spring 26.

[0036] The working principle of the present invention is:

[0037] When the container needs to be loaded onto the truck bed, the container is first placed on the upper side of the pallet 9, and then the rotating rod 7 is rotated to raise the lifting plate 6, and the motor 13 is started to clamp the container between the moving plate 1 and the lifting plate 6, and then the electric cylinder 21 is extended to drive the multiple telescopic legs 11 to extend and push the pallet 9, so that the pallet 9 moves to the truck bed through the moving wheels 10 on the bottom side of the telescopic legs 11, and then the multiple telescopic legs 11 are retracted to complete the loading of the container onto the truck;

[0038] When the container needs to be unloaded from the truck, the multiple telescopic legs 11 are controlled to extend so that the bottom sides of the multiple telescopic legs 11 are against the ground, and then the tray 9 can be pushed to drive the container away from the truck, so that the loading and unloading of the container can be completed quickly;

[0039] When the container needs to be unloaded from the upper side of the pallet 9 , the rotating rod 7 can be rotated to retract the lifting plate 6 into the storage cavity 19 , and then the lifting plate 6 is controlled to horizontally push the container away from the upper side of the pallet 9 .

[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A logistics container handling and loading and unloading device, comprising a pallet (9), characterized in that: The upper side of the pallet (9) is connected to a lifting plate (6) via a lifting device, the upper side of the pallet (9) is connected to a moving plate (1) via a horizontal moving device, the moving plate (1) is horizontally slidably connected to the upper side of the pallet (9), the four outer corners of the pallet (9) are fixedly connected to telescopic legs (11), a hydraulic telescopic driving device is provided between the four telescopic legs (11), and a moving wheel (10) is provided at the bottom end of each telescopic leg (11).

2. A logistics container handling and loading and unloading device according to claim 1, characterized in that: The lifting device comprises a storage chamber (19), wherein the storage chamber (19) is provided on the upper side wall of the tray (9), a lifting plate (6) is slidably connected in the storage chamber (19), a vertically penetrating threaded hole (5) is provided on the lifting plate (6), a third threaded rod (20) is threadedly connected in the threaded hole (5), the bottom end of the third threaded rod (20) is rotatably connected to the bottom side wall of the storage chamber (19), a sixth bevel gear (28) is fixedly connected to the bottom side wall of the storage chamber (19), a fifth bevel gear (27) is meshedly connected to the side wall of the sixth bevel gear (28), a rotating rod (7) is fixedly connected to the side wall of the fifth bevel gear (27), and the rotating rod (7) passes through the side wall of the storage chamber (19) and extends out of the tray (9).

3. A logistics container handling and loading and unloading device according to claim 2, characterized in that: One end of the rotating rod (7) extending out of the tray (9) is fixedly connected to a rotating plate (8), and the rotating plate (8) is provided with anti-slip grooves.

4. A logistics container handling and loading and unloading device according to claim 3, characterized in that: The horizontal moving device comprises a connecting groove (12) and two moving slide grooves (3), wherein the connecting groove (12) and the two moving slide grooves (3) are both arranged on the upper side of the tray (9), and the two moving slide grooves (3) are connected to the two ends of the connecting groove (12). A motor (13) is fixedly connected to the side wall of the tray (9), and the output shaft of the motor (13) extends into the connecting groove (12) and is fixedly connected to a third bevel gear (17). Two fourth bevel gears (18) are meshedly connected to the side wall of the third bevel gear (17), and each of the side walls of the fourth bevel gear (18) is fixedly connected to a second threaded rod (14), and the two second threaded rods (14) are fixedly connected to the side wall of the third bevel gear (17). The rods (14) are rotatably connected to the side walls at both ends of the connecting groove (12), the two second threaded rods (14) are fixedly connected to the second bevel gears (16), the side walls of the two second bevel gears (16) are meshingly connected to the first bevel gears (15), the side walls of each of the first bevel gears (15) are fixedly connected to the first threaded rod (4), each of the first threaded rods (4) is rotatably connected to the side wall of the movable slide groove (3), the two first threaded rods (4) are threadedly connected to the sliders (2), the two sliders (2) are respectively slidably connected in the two movable slide grooves (3), and the movable plate (1) is fixedly connected to the two sliders (2).

5. A logistics container handling and loading and unloading device according to claim 4, characterized in that: The movable plate (1) and the lifting plate (6) are arranged in parallel.

6. A logistics container handling and loading and unloading device according to claim 5, characterized in that: Each of the telescopic legs (11) comprises a plurality of sliding cylinders whose diameters decrease in sequence and slide in sequence, and a return spring (26) is fixedly connected between the uppermost side and the lowermost side inside the telescopic leg (11).

7. A logistics container handling and loading and unloading device according to claim 6, characterized in that: The hydraulic telescopic drive device comprises a liquid storage chamber (23), the liquid storage chamber (23) is provided in the tray (9), a piston plate (22) is slidably connected in the liquid storage chamber (23), an electric cylinder (21) is fixedly connected between the side wall of the piston plate (22) and the side wall of the liquid storage chamber (23), two guide channels (25) are provided on the side wall of the liquid storage chamber (23), a connecting channel (24) is provided on the side wall of each of the guide channels (25), and two ends of the two connecting channels (24) are respectively connected to the inside of the four telescopic legs (11).

8. A logistics container handling and loading and unloading device according to claim 7, characterized in that: The area on one side of the piston plate (22) facing away from the electric cylinder (21) is filled with a pressure-conducting liquid, which is hydraulic oil.

9. A logistics container handling and loading and unloading device according to claim 8, characterized in that: The tray (9), the movable plate (1) and the lifting plate (6) are all made of high-strength titanium alloy.

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